Home / 8,970.35-13,455.53-4,289.26

Finding the Fourth Proportional to 8,970.35, 13,455.53 and 4,289.26

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Solution

The fourth proportional to 8,970.35, 13,455.53 and 4,289.26 is: 6,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.35 : 13,455.53 = 4,289.26 : x
  2. Step 2: Convert to fraction form
    8,970.35/13,455.53 = 4,289.26/x
  3. Step 3: Cross multiply
    8,970.35x = 13,455.53 × 4,289.26
  4. Step 4: Simplify right side
    8,970.35x = 57,714,276.96
  5. Step 5: Solve for x
    x = 57,714,276.96/8,970.35
  6. Step 6: Final answer
    x = 6,433.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.